ASoC: hisilicon: Standardize ASoC menu

Current Kconfig menu at [ALSA for SoC audio support] has no rules.
So, some venders are using menu style, some venders are listed each drivers
on top page, etc. It is difficult to find target vender and/or drivers
because it is very random.

Let's standardize ASoC menu

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87ldpxybq9.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: morimoto

sound/soc/hisilicon/Kconfig

@@ -1,6 +1,10 @@
 # SPDX-License-Identifier: GPL-2.0-only
+menu "Hisilicon"
+
 config SND_I2S_HI6210_I2S
 	tristate "Hisilicon I2S controller"
 	select SND_SOC_GENERIC_DMAENGINE_PCM
 	help
 	  Hisilicon I2S
+
+endmenu